Very few places in London have changed as sharply as this one, and the building-age data shows it. On the 2024 Valuation Office survey the area around Woolwich Arsenal was roughly 57% built since 2010. Walk twenty minutes up towards Plumstead High Street and the same survey puts about 40% of homes there before 1900. Those two halves of SE18 need almost nothing in common from an electrician.
The Royal Arsenal end is new, dense and managed. The council puts the number of homes built there at over 3,500, of more than 5,000 planned across the 36-hectare site, with 23 listed buildings renovated as part of it. On the 2021 census, 77.9% of households in the Woolwich Arsenal ward lived in a purpose-built block and another 8.7% in a converted non-residential building, which is the highest share in the borough — former Arsenal buildings turned into flats. Work in that stock means booking access through a concierge or managing agent, communal risers and landlord’s supplies, rather than parking at the door.
The Plumstead end is an entirely different job. Housing that old has usually been through several owners and several rounds of improvement, and the electrical system tends to show it — protective devices from one era, an earthing arrangement from another, and a kitchen or loft circuit added later by someone whose paperwork nobody kept. What any individual property actually needs is a question for a test, not for its build date.
There is also a great deal of flatted council housing here. The Royal Borough of Greenwich lists 72 council-owned high-rise residential buildings registered with the Building Safety Regulator, and the majority of them are at SE18 addresses. That concentration is why so much of the local work is communal: landlord’s supplies, lateral mains, stair and corridor lighting, and emergency lighting rather than anything inside a flat.
Woolwich is also the most heavily licensed part of this borough for private landlords. Selective licensing has applied to parts of five wards here since October 2022 and runs to October 2027, and separately the borough’s additional HMO licensing has covered the whole of Greenwich since January 2024. Rental demand is why: on the 2021 census 45.5% of households in the Woolwich Arsenal ward rented privately, against 25.5% across the borough. If you let here, check which scheme covers your address, because the two carry different conditions — including, for licensed HMOs, conditions on who may carry out electrical work.
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